Product Transaction Counts
A medium SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- SQL
- Difficulty
- medium
- Seniority
- L3
Interview Prompt
The inventory team needs to see sales velocity per product. Show each product's name and how many transactions reference it, ordered by product ID. Only include products that have been purchased at least once.
Summary
Show how many transactions each product has, sorted by product ID.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your sql solution with real code execution
- Get instant feedback and a hire/no-hire decision